Surgical emergencies in infancy and childhood.
D000006:Abdomen, Acute / Q000601:surgery*; D000008:Abdominal Neoplasms / Q000601:surgery*; D002648:Child; D002675:Child, Preschool; D004630:Emergencies; D006471:Gastrointestinal Hemorrhage / Q000601:surgery*; D006801:Humans; D010372:Pediatrics